.span{
	margin: 0 auto;
	height: 200px;
	width: 360px;
	position: absolute;
	right: 20px;
	top: -4px;
}
.back-a{
	display: inline-block;
	margin-top: 30px;
	margin-left: 30px;
	cursor: pointer;
	color: #666;
}
p{
	margin-top: 10px;
}
.text-decoration{
	width: 1000px;
	margin: 20px auto 0 auto;
	color: #bbc6c3;
}
.echarts-title{
	text-align: center;
	color: #666;
}
.box{
	position: relative;
	width: 1080px;
	background: #eee;
	margin: 40px auto;
	padding-bottom: 20px;
}
.box .item{
	position: relative;
	width: 950px;
	margin: 20px auto 10px auto; 
	border: solid 4px #fff; 
}
.list-item{
	height: 320px;
	widows: 500PX;
}
.ques-box{
	margin: 20px;
	width: 520px;
}
.ques-title{
	font-size: 16px;
	font-weight: bold;
	color: #666;
	line-height: 22px;
}
.ques-choice{
	margin-left: 20px;
	margin-top: 20px;
	line-height: 20px;
	font-size: 14px;
	color: #555;
}
.ques-choice-number{
	font-weight: bold;
	margin-right: 14px;
	font-size: 14px;
}
.foot{
	margin-top: -40px;
	padding-bottom: 40px;
	text-align: center; 
}
.foot .button{
	margin-top: 40px;
	width: 100px;
	height: 40px;
	background: #f7911e;
	border: none;
	color: #fff;
	cursor: pointer;
}
